when a 6.50-g g sample of solid sodium hydroxide dissolves in 100.0 g g of water in a coffee-cup calorimeter, the temperature rises from 21.6 to 37.8 ∘c ∘ c .

if two people answer it will show mark as brainliest then you just click the one you want to mark. ill take a screenshot of it when i can top show you.   : ]

hope that and feel free to ask me more questions : )brainliest? ?

this isn't a question, nor is it appropriate for this web site

explanation:

you can't just go around joking about this kind of stuff.